import time
import hashlib


def getrequestheader():
    timestamp = str(time.time())[:10]
    ori_str = timestamp + "8cd585da-3cc6-11e8-9946-784f437daad6"
    signature = hashlib.md5(ori_str.encode(encoding='utf-8')).hexdigest()
    headers = dict(signature=signature, timestamp=timestamp, appname='ops')
    return headers
